34398669 has 16 divisors (see below), whose sum is σ = 47880000. Its totient is φ = 21939456.

The previous prime is 34398659. The next prime is 34398677. The reversal of 34398669 is 96689343.

It is a de Polignac number, because none of the positive numbers 2^k-34398669 is a prime.

It is a super-2 number, since 2×34398669² = 2366536857943122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34398619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8082 + ... + 11580.

It is an arithmetic number, because the mean of its divisors is an integer number (2992500).

Almost surely, 2^34398669 is an apocalyptic number.

It is an amenable number.

34398669 is a deficient number, since it is larger than the sum of its proper divisors (13481331).

34398669 is a wasteful number, since it uses less digits than its factorization.

34398669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3644.

The product of its digits is 839808, while the sum is 48.

The square root of 34398669 is about 5865.0378515403. The cubic root of 34398669 is about 325.2224717401. Note that the first 3 decimals are identical.

The spelling of 34398669 in words is "thirty-four million, three hundred ninety-eight thousand, six hundred sixty-nine".